17909840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1056

約数の個数: 80

約数和(自身を含む): 47528208

約数和(自身を除く): 29618368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1013, 1040, 1105, 1360, 1768, 2026, 2210, 3536, 4052, 4420, 5065, 8104, 8840, 10130, 13169, 16208, 17221, 17680, 20260, 26338, 34442, 40520, 52676, 65845, 68884, 81040, 86105, 105352, 131690, 137768, 172210, 210704, 223873, 263380, 275536, 344420, 447746, 526760, 688840, 895492, 1053520, 1119365, 1377680, 1790984, 2238730, 3581968, 4477460, 8954920, 17909840]

約数ペア:

[(1, 17909840), (2, 8954920), (4, 4477460), (5, 3581968), (8, 2238730), (10, 1790984), (13, 1377680), (16, 1119365), (17, 1053520), (20, 895492), (26, 688840), (34, 526760), (40, 447746), (52, 344420), (65, 275536), (68, 263380), (80, 223873), (85, 210704), (104, 172210), (130, 137768), (136, 131690), (170, 105352), (208, 86105), (221, 81040), (260, 68884), (272, 65845), (340, 52676), (442, 40520), (520, 34442), (680, 26338), (884, 20260), (1013, 17680), (1040, 17221), (1105, 16208), (1360, 13169), (1768, 10130), (2026, 8840), (2210, 8104), (3536, 5065), (4052, 4420)]