163878640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2939}}^1$

素因数の和:3010

約数の個数: 80

約数和(自身を含む): 413411040

約数和(自身を除く): 249532400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1640, 2788, 2939, 3280, 3485, 5576, 5878, 6970, 11152, 11756, 13940, 14695, 23512, 27880, 29390, 47024, 49963, 55760, 58780, 99926, 117560, 120499, 199852, 235120, 240998, 249815, 399704, 481996, 499630, 602495, 799408, 963992, 999260, 1204990, 1927984, 1998520, 2048483, 2409980, 3997040, 4096966, 4819960, 8193932, 9639920, 10242415, 16387864, 20484830, 32775728, 40969660, 81939320, 163878640]

約数ペア:

[(1, 163878640), (2, 81939320), (4, 40969660), (5, 32775728), (8, 20484830), (10, 16387864), (16, 10242415), (17, 9639920), (20, 8193932), (34, 4819960), (40, 4096966), (41, 3997040), (68, 2409980), (80, 2048483), (82, 1998520), (85, 1927984), (136, 1204990), (164, 999260), (170, 963992), (205, 799408), (272, 602495), (328, 499630), (340, 481996), (410, 399704), (656, 249815), (680, 240998), (697, 235120), (820, 199852), (1360, 120499), (1394, 117560), (1640, 99926), (2788, 58780), (2939, 55760), (3280, 49963), (3485, 47024), (5576, 29390), (5878, 27880), (6970, 23512), (11152, 14695), (11756, 13940)]