42621920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 111930336

約数和(自身を除く): 69308416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 122, 160, 176, 220, 244, 305, 352, 397, 440, 488, 610, 671, 794, 880, 976, 1220, 1342, 1588, 1760, 1952, 1985, 2440, 2684, 3176, 3355, 3970, 4367, 4880, 5368, 6352, 6710, 7940, 8734, 9760, 10736, 12704, 13420, 15880, 17468, 21472, 21835, 24217, 26840, 31760, 34936, 43670, 48434, 53680, 63520, 69872, 87340, 96868, 107360, 121085, 139744, 174680, 193736, 242170, 266387, 349360, 387472, 484340, 532774, 698720, 774944, 968680, 1065548, 1331935, 1937360, 2131096, 2663870, 3874720, 4262192, 5327740, 8524384, 10655480, 21310960, 42621920]

約数ペア:

[(1, 42621920), (2, 21310960), (4, 10655480), (5, 8524384), (8, 5327740), (10, 4262192), (11, 3874720), (16, 2663870), (20, 2131096), (22, 1937360), (32, 1331935), (40, 1065548), (44, 968680), (55, 774944), (61, 698720), (80, 532774), (88, 484340), (110, 387472), (122, 349360), (160, 266387), (176, 242170), (220, 193736), (244, 174680), (305, 139744), (352, 121085), (397, 107360), (440, 96868), (488, 87340), (610, 69872), (671, 63520), (794, 53680), (880, 48434), (976, 43670), (1220, 34936), (1342, 31760), (1588, 26840), (1760, 24217), (1952, 21835), (1985, 21472), (2440, 17468), (2684, 15880), (3176, 13420), (3355, 12704), (3970, 10736), (4367, 9760), (4880, 8734), (5368, 7940), (6352, 6710)]