84203750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 80

約数和(自身を含む): 170045568

約数和(自身を除く): 85841818

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 53, 62, 82, 106, 125, 155, 205, 250, 265, 310, 410, 530, 625, 775, 1025, 1250, 1271, 1325, 1550, 1643, 2050, 2173, 2542, 2650, 3286, 3875, 4346, 5125, 6355, 6625, 7750, 8215, 10250, 10865, 12710, 13250, 16430, 19375, 21730, 25625, 31775, 33125, 38750, 41075, 51250, 54325, 63550, 66250, 67363, 82150, 108650, 134726, 158875, 205375, 271625, 317750, 336815, 410750, 543250, 673630, 794375, 1026875, 1358125, 1588750, 1684075, 2053750, 2716250, 3368150, 8420375, 16840750, 42101875, 84203750]

約数ペア:

[(1, 84203750), (2, 42101875), (5, 16840750), (10, 8420375), (25, 3368150), (31, 2716250), (41, 2053750), (50, 1684075), (53, 1588750), (62, 1358125), (82, 1026875), (106, 794375), (125, 673630), (155, 543250), (205, 410750), (250, 336815), (265, 317750), (310, 271625), (410, 205375), (530, 158875), (625, 134726), (775, 108650), (1025, 82150), (1250, 67363), (1271, 66250), (1325, 63550), (1550, 54325), (1643, 51250), (2050, 41075), (2173, 38750), (2542, 33125), (2650, 31775), (3286, 25625), (3875, 21730), (4346, 19375), (5125, 16430), (6355, 13250), (6625, 12710), (7750, 10865), (8215, 10250)]