18831226240

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{104711}}^1$

素因数の和:105011

約数の個数: 64

約数和(自身を含む): 45179039520

約数和(自身を除く): 26347813280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 562, 640, 1124, 1405, 2248, 2810, 4496, 5620, 8992, 11240, 17984, 22480, 35968, 44960, 89920, 104711, 179840, 209422, 418844, 523555, 837688, 1047110, 1675376, 2094220, 3350752, 4188440, 6701504, 8376880, 13403008, 16753760, 29423791, 33507520, 58847582, 67015040, 117695164, 147118955, 235390328, 294237910, 470780656, 588475820, 941561312, 1176951640, 1883122624, 2353903280, 3766245248, 4707806560, 9415613120, 18831226240]

約数ペア:

[(1, 18831226240), (2, 9415613120), (4, 4707806560), (5, 3766245248), (8, 2353903280), (10, 1883122624), (16, 1176951640), (20, 941561312), (32, 588475820), (40, 470780656), (64, 294237910), (80, 235390328), (128, 147118955), (160, 117695164), (281, 67015040), (320, 58847582), (562, 33507520), (640, 29423791), (1124, 16753760), (1405, 13403008), (2248, 8376880), (2810, 6701504), (4496, 4188440), (5620, 3350752), (8992, 2094220), (11240, 1675376), (17984, 1047110), (22480, 837688), (35968, 523555), (44960, 418844), (89920, 209422), (104711, 179840)]