39288880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 94931424

約数和(自身を除く): 55642544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 83, 97, 122, 166, 194, 244, 305, 332, 388, 415, 485, 488, 610, 664, 776, 830, 970, 976, 1220, 1328, 1552, 1660, 1940, 2440, 3320, 3880, 4880, 5063, 5917, 6640, 7760, 8051, 10126, 11834, 16102, 20252, 23668, 25315, 29585, 32204, 40255, 40504, 47336, 50630, 59170, 64408, 80510, 81008, 94672, 101260, 118340, 128816, 161020, 202520, 236680, 322040, 405040, 473360, 491111, 644080, 982222, 1964444, 2455555, 3928888, 4911110, 7857776, 9822220, 19644440, 39288880]

約数ペア:

[(1, 39288880), (2, 19644440), (4, 9822220), (5, 7857776), (8, 4911110), (10, 3928888), (16, 2455555), (20, 1964444), (40, 982222), (61, 644080), (80, 491111), (83, 473360), (97, 405040), (122, 322040), (166, 236680), (194, 202520), (244, 161020), (305, 128816), (332, 118340), (388, 101260), (415, 94672), (485, 81008), (488, 80510), (610, 64408), (664, 59170), (776, 50630), (830, 47336), (970, 40504), (976, 40255), (1220, 32204), (1328, 29585), (1552, 25315), (1660, 23668), (1940, 20252), (2440, 16102), (3320, 11834), (3880, 10126), (4880, 8051), (5063, 7760), (5917, 6640)]