16835780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 40674312

約数和(自身を除く): 23838532

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 293, 338, 340, 442, 586, 676, 845, 884, 1105, 1172, 1465, 1690, 2210, 2873, 2930, 3380, 3809, 4420, 4981, 5746, 5860, 7618, 9962, 11492, 14365, 15236, 19045, 19924, 24905, 28730, 38090, 49517, 49810, 57460, 64753, 76180, 99034, 99620, 129506, 198068, 247585, 259012, 323765, 495170, 647530, 841789, 990340, 1295060, 1683578, 3367156, 4208945, 8417890, 16835780]

約数ペア:

[(1, 16835780), (2, 8417890), (4, 4208945), (5, 3367156), (10, 1683578), (13, 1295060), (17, 990340), (20, 841789), (26, 647530), (34, 495170), (52, 323765), (65, 259012), (68, 247585), (85, 198068), (130, 129506), (169, 99620), (170, 99034), (221, 76180), (260, 64753), (293, 57460), (338, 49810), (340, 49517), (442, 38090), (586, 28730), (676, 24905), (845, 19924), (884, 19045), (1105, 15236), (1172, 14365), (1465, 11492), (1690, 9962), (2210, 7618), (2873, 5860), (2930, 5746), (3380, 4981), (3809, 4420)]