18850358480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1\times {\mathrm{3137}}^1$

素因数の和:5604

約数の個数: 80

約数和(自身を含む): 45273959424

約数和(自身を除く): 26423600944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2423, 2480, 3137, 4846, 6274, 9692, 12115, 12548, 15685, 19384, 24230, 25096, 31370, 38768, 48460, 50192, 62740, 75113, 96920, 97247, 125480, 150226, 193840, 194494, 250960, 300452, 375565, 388988, 486235, 600904, 751130, 777976, 972470, 1201808, 1502260, 1555952, 1944940, 3004520, 3889880, 6009040, 7600951, 7779760, 15201902, 30403804, 38004755, 60807608, 76009510, 121615216, 152019020, 235629481, 304038040, 471258962, 608076080, 942517924, 1178147405, 1885035848, 2356294810, 3770071696, 4712589620, 9425179240, 18850358480]

約数ペア:

[(1, 18850358480), (2, 9425179240), (4, 4712589620), (5, 3770071696), (8, 2356294810), (10, 1885035848), (16, 1178147405), (20, 942517924), (31, 608076080), (40, 471258962), (62, 304038040), (80, 235629481), (124, 152019020), (155, 121615216), (248, 76009510), (310, 60807608), (496, 38004755), (620, 30403804), (1240, 15201902), (2423, 7779760), (2480, 7600951), (3137, 6009040), (4846, 3889880), (6274, 3004520), (9692, 1944940), (12115, 1555952), (12548, 1502260), (15685, 1201808), (19384, 972470), (24230, 777976), (25096, 751130), (31370, 600904), (38768, 486235), (48460, 388988), (50192, 375565), (62740, 300452), (75113, 250960), (96920, 194494), (97247, 193840), (125480, 150226)]