2000189440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6301}}^1$

素因数の和:6359

約数の個数: 96

約数和(自身を含む): 4954884480

約数和(自身を除く): 2954695040

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, 992, 1024, 1240, 1280, 1984, 2048, 2480, 2560, 3968, 4960, 5120, 6301, 7936, 9920, 10240, 12602, 15872, 19840, 25204, 31505, 31744, 39680, 50408, 63010, 63488, 79360, 100816, 126020, 158720, 195331, 201632, 252040, 317440, 390662, 403264, 504080, 781324, 806528, 976655, 1008160, 1562648, 1613056, 1953310, 2016320, 3125296, 3226112, 3906620, 4032640, 6250592, 6452224, 7813240, 8065280, 12501184, 12904448, 15626480, 16130560, 25002368, 31252960, 32261120, 50004736, 62505920, 64522240, 100009472, 125011840, 200018944, 250023680, 400037888, 500047360, 1000094720, 2000189440]

約数ペア:

[(1, 2000189440), (2, 1000094720), (4, 500047360), (5, 400037888), (8, 250023680), (10, 200018944), (16, 125011840), (20, 100009472), (31, 64522240), (32, 62505920), (40, 50004736), (62, 32261120), (64, 31252960), (80, 25002368), (124, 16130560), (128, 15626480), (155, 12904448), (160, 12501184), (248, 8065280), (256, 7813240), (310, 6452224), (320, 6250592), (496, 4032640), (512, 3906620), (620, 3226112), (640, 3125296), (992, 2016320), (1024, 1953310), (1240, 1613056), (1280, 1562648), (1984, 1008160), (2048, 976655), (2480, 806528), (2560, 781324), (3968, 504080), (4960, 403264), (5120, 390662), (6301, 317440), (7936, 252040), (9920, 201632), (10240, 195331), (12602, 158720), (15872, 126020), (19840, 100816), (25204, 79360), (31505, 63488), (31744, 63010), (39680, 50408)]