421684640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{202733}}^1$

素因数の和:202761

約数の個数: 48

約数和(自身を含む): 1072868328

約数和(自身を除く): 651183688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 202733, 405466, 810932, 1013665, 1621864, 2027330, 2635529, 3243728, 4054660, 5271058, 6487456, 8109320, 10542116, 13177645, 16218640, 21084232, 26355290, 32437280, 42168464, 52710580, 84336928, 105421160, 210842320, 421684640]

約数ペア:

[(1, 421684640), (2, 210842320), (4, 105421160), (5, 84336928), (8, 52710580), (10, 42168464), (13, 32437280), (16, 26355290), (20, 21084232), (26, 16218640), (32, 13177645), (40, 10542116), (52, 8109320), (65, 6487456), (80, 5271058), (104, 4054660), (130, 3243728), (160, 2635529), (208, 2027330), (260, 1621864), (416, 1013665), (520, 810932), (1040, 405466), (2080, 202733)]