63666920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 147646800

約数和(自身を除く): 83979880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 244, 269, 305, 388, 485, 488, 538, 610, 776, 970, 1076, 1220, 1345, 1940, 2152, 2440, 2690, 3880, 5380, 5917, 10760, 11834, 16409, 23668, 26093, 29585, 32818, 47336, 52186, 59170, 65636, 82045, 104372, 118340, 130465, 131272, 164090, 208744, 236680, 260930, 328180, 521860, 656360, 1043720, 1591673, 3183346, 6366692, 7958365, 12733384, 15916730, 31833460, 63666920]

約数ペア:

[(1, 63666920), (2, 31833460), (4, 15916730), (5, 12733384), (8, 7958365), (10, 6366692), (20, 3183346), (40, 1591673), (61, 1043720), (97, 656360), (122, 521860), (194, 328180), (244, 260930), (269, 236680), (305, 208744), (388, 164090), (485, 131272), (488, 130465), (538, 118340), (610, 104372), (776, 82045), (970, 65636), (1076, 59170), (1220, 52186), (1345, 47336), (1940, 32818), (2152, 29585), (2440, 26093), (2690, 23668), (3880, 16409), (5380, 11834), (5917, 10760)]