8843780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 20623680

約数和(自身を除く): 11779900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 659, 671, 1220, 1318, 1342, 2636, 2684, 3295, 3355, 6590, 6710, 7249, 13180, 13420, 14498, 28996, 36245, 40199, 72490, 80398, 144980, 160796, 200995, 401990, 442189, 803980, 884378, 1768756, 2210945, 4421890, 8843780]

約数ペア:

[(1, 8843780), (2, 4421890), (4, 2210945), (5, 1768756), (10, 884378), (11, 803980), (20, 442189), (22, 401990), (44, 200995), (55, 160796), (61, 144980), (110, 80398), (122, 72490), (220, 40199), (244, 36245), (305, 28996), (610, 14498), (659, 13420), (671, 13180), (1220, 7249), (1318, 6710), (1342, 6590), (2636, 3355), (2684, 3295)]