2100022840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{6521}}^1$

素因数の和:6712

約数の個数: 64

約数和(自身を含む): 4832019360

約数和(自身を除く): 2731996520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 166, 194, 332, 388, 415, 485, 664, 776, 830, 970, 1660, 1940, 3320, 3880, 6521, 8051, 13042, 16102, 26084, 32204, 32605, 40255, 52168, 64408, 65210, 80510, 130420, 161020, 260840, 322040, 541243, 632537, 1082486, 1265074, 2164972, 2530148, 2706215, 3162685, 4329944, 5060296, 5412430, 6325370, 10824860, 12650740, 21649720, 25301480, 52500571, 105001142, 210002284, 262502855, 420004568, 525005710, 1050011420, 2100022840]

約数ペア:

[(1, 2100022840), (2, 1050011420), (4, 525005710), (5, 420004568), (8, 262502855), (10, 210002284), (20, 105001142), (40, 52500571), (83, 25301480), (97, 21649720), (166, 12650740), (194, 10824860), (332, 6325370), (388, 5412430), (415, 5060296), (485, 4329944), (664, 3162685), (776, 2706215), (830, 2530148), (970, 2164972), (1660, 1265074), (1940, 1082486), (3320, 632537), (3880, 541243), (6521, 322040), (8051, 260840), (13042, 161020), (16102, 130420), (26084, 80510), (32204, 65210), (32605, 64408), (40255, 52168)]