102691840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 88

約数和(自身を含む): 254679552

約数和(自身を除く): 151987712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 647, 992, 1024, 1240, 1280, 1294, 1984, 2480, 2560, 2588, 3235, 3968, 4960, 5120, 5176, 6470, 7936, 9920, 10352, 12940, 15872, 19840, 20057, 20704, 25880, 31744, 39680, 40114, 41408, 51760, 79360, 80228, 82816, 100285, 103520, 158720, 160456, 165632, 200570, 207040, 320912, 331264, 401140, 414080, 641824, 662528, 802280, 828160, 1283648, 1604560, 1656320, 2567296, 3209120, 3312640, 5134592, 6418240, 10269184, 12836480, 20538368, 25672960, 51345920, 102691840]

約数ペア:

[(1, 102691840), (2, 51345920), (4, 25672960), (5, 20538368), (8, 12836480), (10, 10269184), (16, 6418240), (20, 5134592), (31, 3312640), (32, 3209120), (40, 2567296), (62, 1656320), (64, 1604560), (80, 1283648), (124, 828160), (128, 802280), (155, 662528), (160, 641824), (248, 414080), (256, 401140), (310, 331264), (320, 320912), (496, 207040), (512, 200570), (620, 165632), (640, 160456), (647, 158720), (992, 103520), (1024, 100285), (1240, 82816), (1280, 80228), (1294, 79360), (1984, 51760), (2480, 41408), (2560, 40114), (2588, 39680), (3235, 31744), (3968, 25880), (4960, 20704), (5120, 20057), (5176, 19840), (6470, 15872), (7936, 12940), (9920, 10352)]