20182240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 53174016

約数和(自身を除く): 32991776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 313, 403, 416, 496, 520, 620, 626, 806, 992, 1040, 1240, 1252, 1565, 1612, 2015, 2080, 2480, 2504, 3130, 3224, 4030, 4069, 4960, 5008, 6260, 6448, 8060, 8138, 9703, 10016, 12520, 12896, 16120, 16276, 19406, 20345, 25040, 32240, 32552, 38812, 40690, 48515, 50080, 64480, 65104, 77624, 81380, 97030, 126139, 130208, 155248, 162760, 194060, 252278, 310496, 325520, 388120, 504556, 630695, 651040, 776240, 1009112, 1261390, 1552480, 2018224, 2522780, 4036448, 5045560, 10091120, 20182240]

約数ペア:

[(1, 20182240), (2, 10091120), (4, 5045560), (5, 4036448), (8, 2522780), (10, 2018224), (13, 1552480), (16, 1261390), (20, 1009112), (26, 776240), (31, 651040), (32, 630695), (40, 504556), (52, 388120), (62, 325520), (65, 310496), (80, 252278), (104, 194060), (124, 162760), (130, 155248), (155, 130208), (160, 126139), (208, 97030), (248, 81380), (260, 77624), (310, 65104), (313, 64480), (403, 50080), (416, 48515), (496, 40690), (520, 38812), (620, 32552), (626, 32240), (806, 25040), (992, 20345), (1040, 19406), (1240, 16276), (1252, 16120), (1565, 12896), (1612, 12520), (2015, 10016), (2080, 9703), (2480, 8138), (2504, 8060), (3130, 6448), (3224, 6260), (4030, 5008), (4069, 4960)]