31193440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 80317440

約数和(自身を除く): 49124000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 331, 380, 496, 589, 608, 620, 662, 760, 992, 1178, 1240, 1324, 1520, 1655, 2356, 2480, 2648, 2945, 3040, 3310, 4712, 4960, 5296, 5890, 6289, 6620, 9424, 10261, 10592, 11780, 12578, 13240, 18848, 20522, 23560, 25156, 26480, 31445, 41044, 47120, 50312, 51305, 52960, 62890, 82088, 94240, 100624, 102610, 125780, 164176, 194959, 201248, 205220, 251560, 328352, 389918, 410440, 503120, 779836, 820880, 974795, 1006240, 1559672, 1641760, 1949590, 3119344, 3899180, 6238688, 7798360, 15596720, 31193440]

約数ペア:

[(1, 31193440), (2, 15596720), (4, 7798360), (5, 6238688), (8, 3899180), (10, 3119344), (16, 1949590), (19, 1641760), (20, 1559672), (31, 1006240), (32, 974795), (38, 820880), (40, 779836), (62, 503120), (76, 410440), (80, 389918), (95, 328352), (124, 251560), (152, 205220), (155, 201248), (160, 194959), (190, 164176), (248, 125780), (304, 102610), (310, 100624), (331, 94240), (380, 82088), (496, 62890), (589, 52960), (608, 51305), (620, 50312), (662, 47120), (760, 41044), (992, 31445), (1178, 26480), (1240, 25156), (1324, 23560), (1520, 20522), (1655, 18848), (2356, 13240), (2480, 12578), (2648, 11780), (2945, 10592), (3040, 10261), (3310, 9424), (4712, 6620), (4960, 6289), (5296, 5890)]