49381760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 129254400

約数和(自身を除く): 79872640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 131, 152, 155, 160, 190, 248, 262, 304, 310, 320, 380, 496, 524, 589, 608, 620, 640, 655, 760, 992, 1048, 1178, 1216, 1240, 1310, 1520, 1984, 2096, 2356, 2432, 2480, 2489, 2620, 2945, 3040, 3968, 4061, 4192, 4712, 4960, 4978, 5240, 5890, 6080, 8122, 8384, 9424, 9920, 9956, 10480, 11780, 12160, 12445, 16244, 16768, 18848, 19840, 19912, 20305, 20960, 23560, 24890, 32488, 37696, 39824, 40610, 41920, 47120, 49780, 64976, 75392, 77159, 79648, 81220, 83840, 94240, 99560, 129952, 154318, 159296, 162440, 188480, 199120, 259904, 308636, 318592, 324880, 376960, 385795, 398240, 519808, 617272, 649760, 771590, 796480, 1234544, 1299520, 1543180, 1592960, 2469088, 2599040, 3086360, 4938176, 6172720, 9876352, 12345440, 24690880, 49381760]

約数ペア:

[(1, 49381760), (2, 24690880), (4, 12345440), (5, 9876352), (8, 6172720), (10, 4938176), (16, 3086360), (19, 2599040), (20, 2469088), (31, 1592960), (32, 1543180), (38, 1299520), (40, 1234544), (62, 796480), (64, 771590), (76, 649760), (80, 617272), (95, 519808), (124, 398240), (128, 385795), (131, 376960), (152, 324880), (155, 318592), (160, 308636), (190, 259904), (248, 199120), (262, 188480), (304, 162440), (310, 159296), (320, 154318), (380, 129952), (496, 99560), (524, 94240), (589, 83840), (608, 81220), (620, 79648), (640, 77159), (655, 75392), (760, 64976), (992, 49780), (1048, 47120), (1178, 41920), (1216, 40610), (1240, 39824), (1310, 37696), (1520, 32488), (1984, 24890), (2096, 23560), (2356, 20960), (2432, 20305), (2480, 19912), (2489, 19840), (2620, 18848), (2945, 16768), (3040, 16244), (3968, 12445), (4061, 12160), (4192, 11780), (4712, 10480), (4960, 9956), (4978, 9920), (5240, 9424), (5890, 8384), (6080, 8122)]