65902720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 171595620

約数和(自身を除く): 105692900

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 89, 104, 128, 130, 160, 178, 208, 260, 320, 356, 416, 445, 520, 640, 712, 832, 890, 1040, 1157, 1424, 1664, 1780, 2080, 2314, 2848, 3560, 4160, 4628, 5696, 5785, 7120, 7921, 8320, 9256, 11392, 11570, 14240, 15842, 18512, 23140, 28480, 31684, 37024, 39605, 46280, 56960, 63368, 74048, 79210, 92560, 102973, 126736, 148096, 158420, 185120, 205946, 253472, 316840, 370240, 411892, 506944, 514865, 633680, 740480, 823784, 1013888, 1029730, 1267360, 1647568, 2059460, 2534720, 3295136, 4118920, 5069440, 6590272, 8237840, 13180544, 16475680, 32951360, 65902720]

約数ペア:

[(1, 65902720), (2, 32951360), (4, 16475680), (5, 13180544), (8, 8237840), (10, 6590272), (13, 5069440), (16, 4118920), (20, 3295136), (26, 2534720), (32, 2059460), (40, 1647568), (52, 1267360), (64, 1029730), (65, 1013888), (80, 823784), (89, 740480), (104, 633680), (128, 514865), (130, 506944), (160, 411892), (178, 370240), (208, 316840), (260, 253472), (320, 205946), (356, 185120), (416, 158420), (445, 148096), (520, 126736), (640, 102973), (712, 92560), (832, 79210), (890, 74048), (1040, 63368), (1157, 56960), (1424, 46280), (1664, 39605), (1780, 37024), (2080, 31684), (2314, 28480), (2848, 23140), (3560, 18512), (4160, 15842), (4628, 14240), (5696, 11570), (5785, 11392), (7120, 9256), (7921, 8320)]