28492360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 69678000

約数和(自身を除く): 41185640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 349, 520, 628, 698, 785, 1256, 1396, 1570, 1745, 2041, 2792, 3140, 3490, 4082, 4537, 6280, 6980, 8164, 9074, 10205, 13960, 16328, 18148, 20410, 22685, 36296, 40820, 45370, 54793, 81640, 90740, 109586, 181480, 219172, 273965, 438344, 547930, 712309, 1095860, 1424618, 2191720, 2849236, 3561545, 5698472, 7123090, 14246180, 28492360]

約数ペア:

[(1, 28492360), (2, 14246180), (4, 7123090), (5, 5698472), (8, 3561545), (10, 2849236), (13, 2191720), (20, 1424618), (26, 1095860), (40, 712309), (52, 547930), (65, 438344), (104, 273965), (130, 219172), (157, 181480), (260, 109586), (314, 90740), (349, 81640), (520, 54793), (628, 45370), (698, 40820), (785, 36296), (1256, 22685), (1396, 20410), (1570, 18148), (1745, 16328), (2041, 13960), (2792, 10205), (3140, 9074), (3490, 8164), (4082, 6980), (4537, 6280)]