2599040

素因数分解:

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

素因数の和:181

約数の個数: 64

約数和(自身を含む): 6462720

約数和(自身を除く): 3863680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 131, 155, 160, 248, 262, 310, 320, 496, 524, 620, 640, 655, 992, 1048, 1240, 1310, 1984, 2096, 2480, 2620, 3968, 4061, 4192, 4960, 5240, 8122, 8384, 9920, 10480, 16244, 16768, 19840, 20305, 20960, 32488, 40610, 41920, 64976, 81220, 83840, 129952, 162440, 259904, 324880, 519808, 649760, 1299520, 2599040]

約数ペア:

[(1, 2599040), (2, 1299520), (4, 649760), (5, 519808), (8, 324880), (10, 259904), (16, 162440), (20, 129952), (31, 83840), (32, 81220), (40, 64976), (62, 41920), (64, 40610), (80, 32488), (124, 20960), (128, 20305), (131, 19840), (155, 16768), (160, 16244), (248, 10480), (262, 9920), (310, 8384), (320, 8122), (496, 5240), (524, 4960), (620, 4192), (640, 4061), (655, 3968), (992, 2620), (1048, 2480), (1240, 2096), (1310, 1984)]