101656640

素因数分解:

$2^6\times 5^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1155

約数の個数: 56

約数和(自身を含む): 242937792

約数和(自身を除く): 141281152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491, 647, 982, 1294, 1964, 2455, 2588, 3235, 3928, 4910, 5176, 6470, 7856, 9820, 10352, 12940, 15712, 19640, 20704, 25880, 31424, 39280, 41408, 51760, 78560, 103520, 157120, 207040, 317677, 635354, 1270708, 1588385, 2541416, 3176770, 5082832, 6353540, 10165664, 12707080, 20331328, 25414160, 50828320, 101656640]

約数ペア:

[(1, 101656640), (2, 50828320), (4, 25414160), (5, 20331328), (8, 12707080), (10, 10165664), (16, 6353540), (20, 5082832), (32, 3176770), (40, 2541416), (64, 1588385), (80, 1270708), (160, 635354), (320, 317677), (491, 207040), (647, 157120), (982, 103520), (1294, 78560), (1964, 51760), (2455, 41408), (2588, 39280), (3235, 31424), (3928, 25880), (4910, 20704), (5176, 19640), (6470, 15712), (7856, 12940), (9820, 10352)]