5535140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 12759600

約数和(自身を除く): 7224460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 349, 610, 698, 793, 1220, 1396, 1586, 1745, 3172, 3490, 3965, 4537, 6980, 7930, 9074, 15860, 18148, 21289, 22685, 42578, 45370, 85156, 90740, 106445, 212890, 276757, 425780, 553514, 1107028, 1383785, 2767570, 5535140]

約数ペア:

[(1, 5535140), (2, 2767570), (4, 1383785), (5, 1107028), (10, 553514), (13, 425780), (20, 276757), (26, 212890), (52, 106445), (61, 90740), (65, 85156), (122, 45370), (130, 42578), (244, 22685), (260, 21289), (305, 18148), (349, 15860), (610, 9074), (698, 7930), (793, 6980), (1220, 4537), (1396, 3965), (1586, 3490), (1745, 3172)]