164848840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5197}}^1$

素因数の和:5282

約数の個数: 64

約数和(自身を含む): 406067760

約数和(自身を除く): 241218920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 3172, 3965, 5197, 6344, 7930, 10394, 15860, 20788, 25985, 31720, 41576, 51970, 67561, 103940, 135122, 207880, 270244, 317017, 337805, 540488, 634034, 675610, 1268068, 1351220, 1585085, 2536136, 2702440, 3170170, 4121221, 6340340, 8242442, 12680680, 16484884, 20606105, 32969768, 41212210, 82424420, 164848840]

約数ペア:

[(1, 164848840), (2, 82424420), (4, 41212210), (5, 32969768), (8, 20606105), (10, 16484884), (13, 12680680), (20, 8242442), (26, 6340340), (40, 4121221), (52, 3170170), (61, 2702440), (65, 2536136), (104, 1585085), (122, 1351220), (130, 1268068), (244, 675610), (260, 634034), (305, 540488), (488, 337805), (520, 317017), (610, 270244), (793, 207880), (1220, 135122), (1586, 103940), (2440, 67561), (3172, 51970), (3965, 41576), (5197, 31720), (6344, 25985), (7930, 20788), (10394, 15860)]