63967880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 150681600

約数和(自身を除く): 86713720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 653, 790, 1240, 1306, 1580, 2449, 2612, 3160, 3265, 4898, 5224, 6530, 9796, 12245, 13060, 19592, 20243, 24490, 26120, 40486, 48980, 51587, 80972, 97960, 101215, 103174, 161944, 202430, 206348, 257935, 404860, 412696, 515870, 809720, 1031740, 1599197, 2063480, 3198394, 6396788, 7995985, 12793576, 15991970, 31983940, 63967880]

約数ペア:

[(1, 63967880), (2, 31983940), (4, 15991970), (5, 12793576), (8, 7995985), (10, 6396788), (20, 3198394), (31, 2063480), (40, 1599197), (62, 1031740), (79, 809720), (124, 515870), (155, 412696), (158, 404860), (248, 257935), (310, 206348), (316, 202430), (395, 161944), (620, 103174), (632, 101215), (653, 97960), (790, 80972), (1240, 51587), (1306, 48980), (1580, 40486), (2449, 26120), (2612, 24490), (3160, 20243), (3265, 19592), (4898, 13060), (5224, 12245), (6530, 9796)]