25409150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 53371584

約数和(自身を除く): 27962434

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 97, 130, 155, 169, 194, 310, 325, 338, 403, 485, 650, 775, 806, 845, 970, 1261, 1550, 1690, 2015, 2425, 2522, 3007, 4030, 4225, 4850, 5239, 6014, 6305, 8450, 10075, 10478, 12610, 15035, 16393, 20150, 26195, 30070, 31525, 32786, 39091, 52390, 63050, 75175, 78182, 81965, 130975, 150350, 163930, 195455, 261950, 390910, 409825, 508183, 819650, 977275, 1016366, 1954550, 2540915, 5081830, 12704575, 25409150]

約数ペア:

[(1, 25409150), (2, 12704575), (5, 5081830), (10, 2540915), (13, 1954550), (25, 1016366), (26, 977275), (31, 819650), (50, 508183), (62, 409825), (65, 390910), (97, 261950), (130, 195455), (155, 163930), (169, 150350), (194, 130975), (310, 81965), (325, 78182), (338, 75175), (403, 63050), (485, 52390), (650, 39091), (775, 32786), (806, 31525), (845, 30070), (970, 26195), (1261, 20150), (1550, 16393), (1690, 15035), (2015, 12610), (2425, 10478), (2522, 10075), (3007, 8450), (4030, 6305), (4225, 6014), (4850, 5239)]