221642560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22343}}^1$

素因数の和:22391

約数の個数: 56

約数和(自身を含む): 544836096

約数和(自身を除く): 323193536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 22343, 44686, 89372, 111715, 178744, 223430, 357488, 446860, 692633, 714976, 893720, 1385266, 1429952, 1787440, 2770532, 3463165, 3574880, 5541064, 6926330, 7149760, 11082128, 13852660, 22164256, 27705320, 44328512, 55410640, 110821280, 221642560]

約数ペア:

[(1, 221642560), (2, 110821280), (4, 55410640), (5, 44328512), (8, 27705320), (10, 22164256), (16, 13852660), (20, 11082128), (31, 7149760), (32, 6926330), (40, 5541064), (62, 3574880), (64, 3463165), (80, 2770532), (124, 1787440), (155, 1429952), (160, 1385266), (248, 893720), (310, 714976), (320, 692633), (496, 446860), (620, 357488), (992, 223430), (1240, 178744), (1984, 111715), (2480, 89372), (4960, 44686), (9920, 22343)]