67535540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 145396944

約数和(自身を除く): 77861404

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 197, 244, 281, 305, 394, 562, 610, 788, 985, 1124, 1220, 1405, 1970, 2810, 3940, 5620, 12017, 17141, 24034, 34282, 48068, 55357, 60085, 68564, 85705, 110714, 120170, 171410, 221428, 240340, 276785, 342820, 553570, 1107140, 3376777, 6753554, 13507108, 16883885, 33767770, 67535540]

約数ペア:

[(1, 67535540), (2, 33767770), (4, 16883885), (5, 13507108), (10, 6753554), (20, 3376777), (61, 1107140), (122, 553570), (197, 342820), (244, 276785), (281, 240340), (305, 221428), (394, 171410), (562, 120170), (610, 110714), (788, 85705), (985, 68564), (1124, 60085), (1220, 55357), (1405, 48068), (1970, 34282), (2810, 24034), (3940, 17141), (5620, 12017)]