1300520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 3281040

約数和(自身を除く): 1980520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 61, 65, 82, 104, 122, 130, 164, 205, 244, 260, 305, 328, 410, 488, 520, 533, 610, 793, 820, 1066, 1220, 1586, 1640, 2132, 2440, 2501, 2665, 3172, 3965, 4264, 5002, 5330, 6344, 7930, 10004, 10660, 12505, 15860, 20008, 21320, 25010, 31720, 32513, 50020, 65026, 100040, 130052, 162565, 260104, 325130, 650260, 1300520]

約数ペア:

[(1, 1300520), (2, 650260), (4, 325130), (5, 260104), (8, 162565), (10, 130052), (13, 100040), (20, 65026), (26, 50020), (40, 32513), (41, 31720), (52, 25010), (61, 21320), (65, 20008), (82, 15860), (104, 12505), (122, 10660), (130, 10004), (164, 7930), (205, 6344), (244, 5330), (260, 5002), (305, 4264), (328, 3965), (410, 3172), (488, 2665), (520, 2501), (533, 2440), (610, 2132), (793, 1640), (820, 1586), (1066, 1220)]