25541820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 108

約数和(自身を含む): 82470024

約数和(自身を除く): 56928204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 491, 510, 578, 612, 765, 867, 982, 1020, 1156, 1445, 1473, 1530, 1734, 1964, 2455, 2601, 2890, 2946, 3060, 3468, 4335, 4419, 4910, 5202, 5780, 5892, 7365, 8347, 8670, 8838, 9820, 10404, 13005, 14730, 16694, 17340, 17676, 22095, 25041, 26010, 29460, 33388, 41735, 44190, 50082, 52020, 75123, 83470, 88380, 100164, 125205, 141899, 150246, 166940, 250410, 283798, 300492, 375615, 425697, 500820, 567596, 709495, 751230, 851394, 1277091, 1418990, 1502460, 1702788, 2128485, 2554182, 2837980, 4256970, 5108364, 6385455, 8513940, 12770910, 25541820]

約数ペア:

[(1, 25541820), (2, 12770910), (3, 8513940), (4, 6385455), (5, 5108364), (6, 4256970), (9, 2837980), (10, 2554182), (12, 2128485), (15, 1702788), (17, 1502460), (18, 1418990), (20, 1277091), (30, 851394), (34, 751230), (36, 709495), (45, 567596), (51, 500820), (60, 425697), (68, 375615), (85, 300492), (90, 283798), (102, 250410), (153, 166940), (170, 150246), (180, 141899), (204, 125205), (255, 100164), (289, 88380), (306, 83470), (340, 75123), (491, 52020), (510, 50082), (578, 44190), (612, 41735), (765, 33388), (867, 29460), (982, 26010), (1020, 25041), (1156, 22095), (1445, 17676), (1473, 17340), (1530, 16694), (1734, 14730), (1964, 13005), (2455, 10404), (2601, 9820), (2890, 8838), (2946, 8670), (3060, 8347), (3468, 7365), (4335, 5892), (4419, 5780), (4910, 5202)]