201290440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12487}}^1$

素因数の和:12542

約数の個数: 64

約数和(自身を含む): 503516160

約数和(自身を除く): 302225720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 12487, 16120, 24974, 49948, 62435, 99896, 124870, 162331, 249740, 324662, 387097, 499480, 649324, 774194, 811655, 1298648, 1548388, 1623310, 1935485, 3096776, 3246620, 3870970, 5032261, 6493240, 7741940, 10064522, 15483880, 20129044, 25161305, 40258088, 50322610, 100645220, 201290440]

約数ペア:

[(1, 201290440), (2, 100645220), (4, 50322610), (5, 40258088), (8, 25161305), (10, 20129044), (13, 15483880), (20, 10064522), (26, 7741940), (31, 6493240), (40, 5032261), (52, 3870970), (62, 3246620), (65, 3096776), (104, 1935485), (124, 1623310), (130, 1548388), (155, 1298648), (248, 811655), (260, 774194), (310, 649324), (403, 499480), (520, 387097), (620, 324662), (806, 249740), (1240, 162331), (1612, 124870), (2015, 99896), (3224, 62435), (4030, 49948), (8060, 24974), (12487, 16120)]