90397840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5113}}^1$

素因数の和:5156

約数の個数: 80

約数和(自身を含む): 239703408

約数和(自身を除く): 149305568

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, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 5113, 8840, 10226, 17680, 20452, 25565, 40904, 51130, 66469, 81808, 86921, 102260, 132938, 173842, 204520, 265876, 332345, 347684, 409040, 434605, 531752, 664690, 695368, 869210, 1063504, 1129973, 1329380, 1390736, 1738420, 2259946, 2658760, 3476840, 4519892, 5317520, 5649865, 6953680, 9039784, 11299730, 18079568, 22599460, 45198920, 90397840]

約数ペア:

[(1, 90397840), (2, 45198920), (4, 22599460), (5, 18079568), (8, 11299730), (10, 9039784), (13, 6953680), (16, 5649865), (17, 5317520), (20, 4519892), (26, 3476840), (34, 2658760), (40, 2259946), (52, 1738420), (65, 1390736), (68, 1329380), (80, 1129973), (85, 1063504), (104, 869210), (130, 695368), (136, 664690), (170, 531752), (208, 434605), (221, 409040), (260, 347684), (272, 332345), (340, 265876), (442, 204520), (520, 173842), (680, 132938), (884, 102260), (1040, 86921), (1105, 81808), (1360, 66469), (1768, 51130), (2210, 40904), (3536, 25565), (4420, 20452), (5113, 17680), (8840, 10226)]