56721860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 139581792

約数和(自身を除く): 82859932

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 82, 85, 130, 164, 170, 205, 221, 260, 313, 340, 410, 442, 533, 626, 697, 820, 884, 1066, 1105, 1252, 1394, 1565, 2132, 2210, 2665, 2788, 3130, 3485, 4069, 4420, 5321, 5330, 6260, 6970, 8138, 9061, 10642, 10660, 12833, 13940, 16276, 18122, 20345, 21284, 25666, 26605, 36244, 40690, 45305, 51332, 53210, 64165, 69173, 81380, 90610, 106420, 128330, 138346, 166829, 181220, 218161, 256660, 276692, 333658, 345865, 436322, 667316, 691730, 834145, 872644, 1090805, 1383460, 1668290, 2181610, 2836093, 3336580, 4363220, 5672186, 11344372, 14180465, 28360930, 56721860]

約数ペア:

[(1, 56721860), (2, 28360930), (4, 14180465), (5, 11344372), (10, 5672186), (13, 4363220), (17, 3336580), (20, 2836093), (26, 2181610), (34, 1668290), (41, 1383460), (52, 1090805), (65, 872644), (68, 834145), (82, 691730), (85, 667316), (130, 436322), (164, 345865), (170, 333658), (205, 276692), (221, 256660), (260, 218161), (313, 181220), (340, 166829), (410, 138346), (442, 128330), (533, 106420), (626, 90610), (697, 81380), (820, 69173), (884, 64165), (1066, 53210), (1105, 51332), (1252, 45305), (1394, 40690), (1565, 36244), (2132, 26605), (2210, 25666), (2665, 21284), (2788, 20345), (3130, 18122), (3485, 16276), (4069, 13940), (4420, 12833), (5321, 10660), (5330, 10642), (6260, 9061), (6970, 8138)]